CVE-2026-1736: Open5GS SGWC s11-handler.c assertion
A security vulnerability has been detected in Open5GS up to 2.7.6. Impacted is the function sgwcs11handlecreateindirectdataforwardingtunnelrequest of the file /src/sgwc/s11-handler.c of the component SGWC. Such manipulation leads to reachable assertion. The attack may be launched remotely. The exploit has been disclosed publicly and may be used. A patch should be applied to remediate this issue. The issue report is flagged as already-fixed.
Affected Software
Event History
Frequently Asked Questions
What is the severity of CVE-2026-1736?
The severity of CVE-2026-1736 is considered moderate due to the potential for reachable assertions in the affected function.
How do I fix CVE-2026-1736?
To fix CVE-2026-1736, upgrade Open5GS to version 2.7.7 or later.
Which versions of Open5GS are affected by CVE-2026-1736?
CVE-2026-1736 affects Open5GS versions up to and including 2.7.6.
What components are impacted by CVE-2026-1736?
CVE-2026-1736 specifically impacts the SGWC component, particularly the function sgwc_s11_handle_create_indirect_data_forwarding_tunnel_request.
What kind of vulnerability is CVE-2026-1736?
CVE-2026-1736 is an assertion vulnerability that may lead to crashes or undefined behavior within the application.